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It can only be used for projects that don't have any rules at all, i.e.
they are purely using Meson to:
- configure files
- run (script?) tests
- install files that exist by the end of the setup stage
This can be useful e.g. for Meson itself, a pure python project.
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Commit e88887be4a08 ("Only remove substring if it is part of string")
removed the source dir from the rpath when the following check succeeds:
if absdir.startswith(self.environment.get_source_dir()):
rel_to_src = absdir[len(self.environment.get_source_dir()) + 1:]
For example, absdir '/myproject/foo' starts with source dir
'/myproject', so we want to generate the relative path 'foo'.
This code doesn't work with absdir '/myproject-libs/foo' though, because
we'll incorrectly turn it into a relative path 'libs/foo' after
stripping away '/myproject-'.
Use os.path.commonpath() instead of str.startswith() so path components
are correctly handled.
Cc: Niklas Claesson <niklas.claesson@cosylab.com>
Signed-off-by: Stefan Hajnoczi <stefanha@gmail.com>
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Unless `meson.install_dependency_manifest()` is explicitly used, this
will cause a default implied one to be installed.
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Hook this up to installed dependency manifests. This is often needed
above and beyond just an SPDX string -- e.g. many licenses have custom
copyright lines.
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It is only used by Environment.get_exe_wrapper() and every callers were
handling None already. Type annotation was wrong, it already could
return None for the case an exe wrapper is needed but none is provided.
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Cross compiled executables could still be run with an exe wrapper, or
with proper binfmt installed.
Fixes: #10999
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Handles the case when wine-binfmt is installed, which makes .exe files
executable without without specifying an exe wrapper.
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When a test executable references a local shared library, make sure that
we apply the appropriate $LD_LIBRARY_PATH so that the linker can find it
at runtime.
The DT_RUNPATH entry does ensure that the binary references the path to
the shared library build, however the RUNPATH list is only searched
after $LD_LIBRARY_PATH. So if the user has a shared library of the same
name in their $LD_LIBRARY_PATH, this will be the version found and used
for running the test. This is bad if you're trying to use Meson to test
a shared library you're developing and have installed in a local prefix
which is under $LD_LIBRARY_PATH.
Fixes #1635
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Found with codespell.
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It was only trying to guess install tag, and log missing tags, for files
installed by install_data(). Do it also for all other files, especially
custom_taget() that commonly installs generated headers.
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Since vs backend only support the C compiler, everything else are custom
targets. Convert CompileTarget into a Generator to reuse existing code.
This will be useful in the future to support transpilers, and
assemblers.
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This introduce a new type of BuildTarget: CompileTarget. From ninja
backend POV it is the same thing as any other build target, except that
it skips the final link step. It could be used in the future for
transpilers too.
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First, check if the env program exists. If it does, it is faster than
doing it via a python script `basically-env.py` that maybe imports all
of mesonbuild.* as a side effect of project structure.
We do not, however, use env for setting up PATH additions, since env can
override an environment variable but not extend it. So in that case we
still need to wrap the command via python.
By default, all run_targets (at least) are wrapped and now wrap via the
`env` program as they export e.g.
MESONINTROSPECT='/usr/bin/meson introspect'
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Those classes are used by wrapper scripts and we should not have to
import the rest of mesonlib, build.py, and all their dependencies for
that.
This renames mesonlib/ directory to utils/ and add a mesonlib.py module
that imports everything from utils/ to not have to change `import
mesonlib` everywhere. It allows to import utils.core without importing
the rest of mesonlib.
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It is common, at least in GNOME projects, to install tests. Files goes
into various locations, including:
- /usr/lib/x86_64-linux-gnu/installed-tests
- /usr/share/installed-tests
- /usr/libexec/installed-tests
It is safe to assume that everything that goes into a "installed-tests"
subdir should be tagged as "tests" by default.
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Use set where order does not matter, fix is_source() to really mean only
source suffixes.
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When calculating the output filename for a compiled object, we sanitize
the whole input path, more or less. In cases where the input path is
very long, this can overflow the max length of an individual filename
component.
At the same time, we do want unique names so people can recognize what
these outputs actually are. Compromise:
- for filepaths with >5 components (which are a lot more likely to cause
problems, and simultanously less likely to have crucial information that
far back in the filepath)
- if an sha1 hash of the full path, replacing all *but* those last 5
components, produces a path that is *shorter* than the original path
... then use that modified path canonicalization via a hash. Due to the
use of hashes, it's unique enough to guarantee correct builds. Because
we keep the last 5 components intact, it's easy to tell what the output
file is compiled from.
Fixes building in ecosystems such as spack, where the build environment
is a very long path containing repetitions of
`__spack_path_placeholder__/` for... reasons of making the path long.
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We need this to ensure that .mod files are created before we start
compiling, and to ensure that the proper include directory arguments are
generated.
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Generally plumb through the values of get_option() passed to
install_dir, and use this to establish the install plan name. Fixes
several odd cases, such as:
- {datadir} being prepended to "share" or "include"
- dissociating custom install directories and writing them out as
{prefix}/share/foo or {prefix}/lib/python3.10/site-packages
This is the second half of #9478
Fixes #10601
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Change the order of testing flags and get_external_args() to
handle flags set by get_external_args() correctly.
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Instead of asking the ExtractedObjects, but with a hook back into the backend,
use the existing function in the backend itself. This fixes using the
extract_objects(...) of a generated source file in a custom_target.
It should also fix recursive extract_all_objects with the Xcode backend.
Fixes: #10394
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A single target could be picked for unity build, and in that case
extract_objects() should not be allowed.
Likewise for the opposite case, where extract_objects() should be allowed
if unity build is disabled for a single target. A test that covers that
case is added later.
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'meson-test-prereq' now depends on any targets that were formerly added
directly to 'all'. Behavior is not changed -- the all target still
depends on this other meta-rule, and thus indirectly depends on all
targets it used to depend on.
It is now possible to build just the targets needed for the testsuite
and then e.g. run `meson test --no-rebuild`.
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There are a couple issues that combine to make the current handling a
bit confusing.
- we call it "install_dir_name" but it is only ever the class default
- CustomTarget always has it set to None, and then we check if it is
None then create a different variable with a safe fallback. The if is
useless -- it cannot fail, but if it did we'd get an undefined
variable error when we tried to use `dir_name`
Remove the special handling for CustomTarget. Instead, just always
accept None as a possible value of outdir_name when constructing install
data, and, if it is None, fall back to {prefix}/outdir regardless of
what type it used to be.
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and fix a bug in the backend that the correct annotations uncover
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Forcing serialization on when writing out the build rule makes very
little sense. It was always "forced" on because we mandated a couple of
environment variables due to legacy reasons.
Add an attribute to RunTarget to say that a given target doesn't *need*
those environment variables, and let ninja optimize them away and run
the command directly if set.
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That method had nothing specific to the backend, it's purely a Target
method. This allows to cache the OptionOverrideProxy object on the
Target instance instead of creating a new one for each option lookup.
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Since OptionKey is used we can mix all options together in a single
dictionary. That's already what we do in coredata.options.
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In this case, the test fname might have an implicit extension and cannot
be found by `os.path.isfile()`.
We cannot use `shutil.which()` to handle platform differences, because
not all test fnames are executable -- for example Java jars.
The test representation does have an "is built" attribute which in
theory should work here, because all built targets definitely have their
full filename known to Meson, but it turns out to be misnamed. Rename it
correctly and add an actual "is built" attribute to check.
Tests which aren't built by Meson can be assumed to exist without
consulting their existence on the filesystem.
Fixes #10027
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Using future annotations, type annotations become strings at runtime and
don't impact performance. This is not possible to do with T.cast though,
because it is a function argument instead of an annotation.
Quote the type argument everywhere in order to have the same effect as
future annotations. This also allows linters to better detect in some
cases that a given import is typing-only.
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Versioned shared libraries should have .so file in devel, .so.1 and
.so.1.2.3 in runtime.
Fixes: #9811
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It is created twice for ninja and for introspection.
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